Updated: 06 January 2014 18:30 | By Colleen Last
Ke$ha and other stars who've been to rehab

Demi Lovato

Demi Lovato (© AP)
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Demi Lovato spent three months in rehab in 2010 to get help for “emotional and physical issues” which she only recently admitted included a cocaine addiction. “I couldn’t go without 30 minutes to an hour without cocaine,” Demi told Access Hollywood.

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